Father of hybrid rice—Yuan Longping    1    (pass) away at 13:07 pm in Changsha of Hunan province, Xinhua reported    2     Saturday. Yuan Longping(1930-2021)was a pioneer for all people. Although he was one of China’s most famous    3    (science),Yuan Longping considered     4    (he) a farmer. Indeed, his sunburnt face and arms and his slim, strong body were just like those of millions of Chinese farmers, for     5     he had struggled for decades. Dr Yuan Longping developed super hybrid rice. In 1974,he became     6     first agricultural pioneer in the world    7     (grow)rice with a high output. Now more than 60% of the rice     8    (produce) in China each year is from this hybrid strain.

In 1949, Yuan applied for Southwest Agricultural College and began his special    9    (connect)with rice — a staple food of the Chinese people that would become the focus of his lifelong research career.

Now the focus of Yuan’s hybrid rice project    10    (change)from increasing output to green and sustainable development. The second dream is that the whole world can plant the rice he developed and all the people in the world are not hungry.

Let’s remember the great man.

China is considered the home of tea. Chinese tea had begun to be exported to Japan and Korea before the Tang dynasty (618- 907). In the early period of the 17h century, Chinese tea     1     (export) to Europe. The tea from China is in great abundance（丰富） and variety. You can mainly depend     2     the color, smell, taste and form     3     (tell) if a pot of tea is nice.

One of China's six famous tea types is white tea,     4     gets its name from its silver-white color. It     5     (be) mainly grown and produced in Fujian province with a long history,     6     (date) back to Northern Song dynasty (960-127 in ancient China Compared with other major     7     (type) of tea, it distinguishes（区分） itself by     8     (it) sweet taste and beautiful silver-needle-like shape, thus enjoying great popularity among tea drinkers. In addition, the longer it is preserved, the better health-building effects it has. Amazingly, it has been proved that drunk     9     (regular), white tea will greatly benefit people's physical and mental health. This is because it can not only protect people from being struck by some common diseases,     10     also can effectively

There is a growing interest in rock climbing. Recently, there     1    (be) an improvement in technology and techniques to perform it. The sport is getting more     2    (attract) to many people. Although rock climbing has risks and physical challenges, people still have several reasons to take it up. Some sportsmen feel that rock climbing can never become boring. This is     3    you have different places to go climbing. If you are tired     4    walls at your location, you may visit elsewhere     5    (experience) other challenging walls.   

    6    (obvious), it offers great fun and adventure to people when they go high up on walls. When they push themselves beyond the expected limits, they get     7     sense of achievement. There are many sportsmen     8     also take rock climbing as a physical challenge where they always move up the levels. After     9    (cross) a set level, they move to the next and they can always find a fight to their previously achieved     10    (goal). It all depends on their physical fitness and skills.

After camping in the Redwood Forest and visiting the wine country of Napa Valley, I was back in San Francisco. I have to admit that it     1     (definite) feels good to be back in the city again. It is a city that     2     (rebuild) itself after the earthquake that     3     (occur) in 1906. Today there are so many beautiful old     4     (build), many of which sit on top of big hills. My hotel is near downtown, located in the Mission District, one of the oldest parts of the city. This district used to be a poor area of town,     5    now it is a centre for art, music, and food. In fact, an art movement     6     (call) the “Mission School” started here. It is     7     (influence) by graffiti art and comic art. First I walked around looking at the street art for a few hours. Afterwards, I ate some delicious noodles from a food truck. In the afternoon, I headed     8     a local museum that showed the historical changes in California. In 1848, gold was discovered near San Francisco,     9     started a gold rush. Over 300,000 people came to seek their fortune, and San Francisco quickly became a big city.     10     (earn) a living, some Chinese opened up shops and restaurants in Chinatown. In the evening, I went to Chinatown to enjoy delicious food. Tomorrow evening I will visit a jazz bar.

Famous scientist as he is, Yuan Longping considers himself     1     farmer. He grows     2     is called super hybrid rice. As a young man, Yuan Longping saw the great need for increasing the rice output. At that time, hunger was a disturbing problem in China. He wanted to increase rice harvests without     3     (expand) the area of the fields. In 1973, a special strain of rice made     4     possible to produce 20% more of the crop in the same fields. Thanks     5     his research, the UN has more tools in the battle to rid the world of     6     (hungry). Using his hybrid rice, farmers are producing harvests twice as large    7     before. He is now circulating his rice knowledge in less developed countries     8     (increase) their rice harvests and he wants to export his rice so that it can be grown around the globe. Though he     9     (struggle) for the past five decades, Yuan Longping is quite satisfied     10     his life. In his spare time，he enjoys listening to violin music，playing mahjong, swimming and reading.

Festivals have a variety of origins    1    (include) the seasons of the year, famous people, important events and religions. However, no matter    2    different they may seem, they have the common spirit of sharing joy, gratitude, love or peace.

The harvest festival    3     (celebrate) in many cultures. People celebrate    4    to show that they are grateful for the year's supply of food. In some European    5    (country) people decorate churches and town halls with flowers and fruit. While during the Mid- Autumn Festival in China, families get together to admire the    6     (shine) moon and enjoy delicious moon cakes.

Customs play an     7    (importance) role in festivals, but they can change over time. Take the Chinese Spring Festival as an example. Many Chinese big cities no longer allow fireworks    8    (avoid) air pollution. These days, festivals are    9     (close) related to businesses. Festivals reflect people 's wishes, beliefs, faiths and attitudes towards life. They are occasions    10    allow people to spend time with families and relax and enjoy life.